5 + Allow passing parameters to the dynamic linker ('dlopen' improved)
7 + Calling conventions are now much more consistent, and follows natural
8 semantics of handling arguments and return values
9 + Recursive make for src/dynpmc removed
10 + Datatype STRINGNULL for a single Null STRING added
11 + config_lib.pasm replaced with config_lib.pir
13 + Improved handling of new compilers
14 + Cygwin packages will be updated again with Parrot releases
15 + Fedora packages add desktop files
16 + gzip and bzip2 compressed tar files for releases
18 + tapir executable added; tapir is a TAP test harness
19 + Added TAP options --merge --ignore-exit
21 + 3 month cycle for supported releases
22 + Review and vote of GSoC applications
26 + Most internal allocations now use the GC
27 + RNG non-randomnes fixes
28 + Elimination of much dead code
30 + PMCs can now be initialized from an int
31 + Many legacy ops are removed
33 + Sun cc and Intel icc support have been restored
34 + Compiler invocation no longer goes through a Perl script
36 + NCI thunks are now generated by self-hosted PIR code
40 + GC performance and encapsulation were greatly improved.
41 + PMC freeze refactored.
42 + More Makefile and build improvements.
44 + The Array PMC was removed.
45 + Several deprecated vtables were removed.
46 + The OrderedHash PMC was substantialy improved.
48 + Packaging improvements on some operating systems.
50 + Some cases in pbc_merge are now handled.
51 + Improvements were made to the dependency checker.
52 + New tool nativecall.pir added.
56 + Context PMCs now support attribute-based introspection
57 + Context and CallSignature PMCs merged into CallContext
58 + .lex directive throws exceptions when used with incorrect register types
60 + Packaging improved for free OS distributions
61 + PPC, PPC64, and ARM now tested when running Linux
63 + Minor improvements to the profiling runcore
64 + Improvements from the CallContext PMC merge
66 + In/out parameters in STRING modification functions
67 + Void handling in NCI signatures
68 + Parameter passing opcodes order in PBC
70 + Continued migration of core tests from Perl 5 to PIR
72 + dependency checker improved
74 + Deprecation cycle length changed to three months from six
75 + GC accuracy improved
76 + PMC freeze improvements; much more reliable
77 + Makefile improvements for dependency handling
81 + Made profiling runcore output format configurable and extensible
82 options include "pprof" and "none" ("binary" and "callgrind" are planned)
83 + Added environment variables to specify profiling output type and filename
84 (PARROT_PROFILING_OUTPUT and PARROT_PROFILING_FILENAME)
85 + Began merging Freeze/Thaw and Bytecode generator/loader
87 + Included latest nqp-rx compiler, with many improvements
88 - GLOBAL:: package identifier
89 - dynamic variables look in global namespace
90 - $obj."$method" syntax
91 - :p(os) and :c(ontinue) option on regexes
92 - try/CATCH/CONTROL handling
93 - support leading & on subroutine declarations
94 - allow "category:<symbol>" names (for builtin operators)
95 - simple version of smartmatch operator
96 - simple regex matches
97 - updated HLL::Compiler with new import/export methods
99 + Portability updates for RTEMS, and Intel architectures with GNU compilers
100 + Completed conversion of ticket tracking system from RT to Trac
101 + New draft of PDD31 for HLL export API and import implementation
102 + Several (build time, runtime) performance improvements
103 + Converted many tests to PIR, reducing test execution time
104 + Various bugfixes, code cleanups, and coding standard fixes
108 + The FileHandle PMC now exposes the exit code of child process that was run as pipe.
109 + Experimental support for overriding VTABLE invoke in PIR objects was added.
110 + The method 'type' was added to the PackfileAnnotations PMC.
111 + The internals of the parrot calling conventions, PCC, were reworked.
112 All call paths now use a CallSignature object for passing arguments and return values.
113 + The new API-function 'Parrot_ext_call' was added for calling into C-land.
114 + The fixed-size allocator was improved.
115 + The files installed by 'make install-dev' are now covered by 'make install' as well.
116 + The experimental ops 'fetch' and 'vivify' were added.
117 + The -I option to the command 'parrot' now prepends items to the search path.
118 + The Context struct was substituted with auto attributes (context_auto_attrs branch).
119 + Use the osname determined in auto::arch in subsequent configuration steps (convert_OSNAME branch).
120 + Eliminated dependence on Perl 5 '%Config' in auto::format (auto_format_no_Config branch).
121 + MultiSub PMCs now stringify to the name of their first candidate,
122 instead of the number of candidates.
123 + The platform detection at the start of the configuration process was improved.
124 + The 'lineof' method on CodeString objects now precomputes line number information
125 to be more efficient on variable-width encoded strings.
126 + P6object now supports .WHO and .WHERE methods on protoobjects.
128 + A shiny new self-hosting implementation of NQP has been added in ext/nqp-rx.
129 - New NQP available as nqp-rx.pbc or parrot-nqp fakecutable.
130 - NQP includes direct support for grammars and regexes, including protoregexes.
131 - NQP has a new PAST-based regex engine (intended to replace PGE).
132 - Regexes may contain code assertions, parameters, lexical declarations, and more.
133 - Double-quoted strings now interpolate scalar variables and closures.
134 - Subroutine declarations are now lexical by default.
136 - PAST::Block now supports an 'nsentry' attribute.
137 - PAST::Var allows 'contextual' scope.
138 - Attribute bindings now return the bound value.
140 + Fixes for the port of Parrot to RTEMS were applied. Yay, first port to a real time OS!
141 + On NetBSD, shared libs are now used.
143 + Use the the fixed-sized allocator in the Context and the CallSignature PMC.
144 + Many small speed improvements.
146 + MT19937, the Mersenne twisted pseudorandom number generator, is now hosted on github and
147 will be removed from the Parrot core. (eligible in 2.1)
148 + The 'Parrot_call_*' functions for invoking a sub/method object from C are
149 deprecated. They are replaced by 'Parrot_ext_call'. (eligible in 2.1)
150 + All bitwise VTABLE functions are deprecated. (eligible in 2.1)
151 + All bitwise ops will become dynops. (eligible in 2.1)
152 - Realized deprecations
153 + The slice VTABLE entry was removed.
154 + The last traces of the 'malloc' garbage collector were removed.
155 + Parrot_pcc_constants() was renamed to Parrot_pcc_get_constants().
156 + The deprecated functions from the Embedding/Extension interface were removed.
157 + The library YAML/Parser/Syck.pir was removed.
158 + The VTABLE function instantiate_str() was removed.
159 + Building of parrot_nqp was removed.
161 + The test coverage of the time-related ops was much improved.
162 + New testing functions in Test::More: lives_ok() and dies_ok().
163 + The Perl 5 based test scripts t/op/bitwise.t, t/op/comp.t, t/op/inf_nan.t,
164 t/op/literal.t, t/op/number.t, t/op/sprintf2.t, and t/op/00ff-dos.t were converted to PIR.
165 + The test scripts t/op/annotate.t and t/op/time.t have begun
166 to be translated from Perl 5 to PIR.
167 + In some tests the dependency on %Config from Perl 5 was eliminated.
169 + The meaning of 'p' means in NCI function call signatures was clarified.
171 + The stub for a new language, as created by mk_language_shell.pl,
172 now relies on the PIR-based tools, which are replacing the Perl 5-based tools.
173 + The library Configure.pir was added.
174 + The library distutils.pir was added.
176 + The mailing list parrot-users and a corresponding google group was created,
177 http://groups.google.com/group/parrot-users.
178 + Many bugfixes, code cleanups, and coding standard fixes.
182 + Parrot_capture_lex has been added to the PARROT_EXPORT API
183 + PARROT_MAX_ARGS has been increased from 8 to 16 to allow for ops that take more than 8 args
185 + The profiling runcore now caches metadata for improved performance
186 - Maintenance and cleanup
187 + Expanded the Parrot debugger documentation
188 + Parrot debugger now uses the new Parrot STRING API
189 + Continue to port rest of internals to use the STRING API
191 + The JIT subsystem has been removed and is being written from the ground up. More
192 information can be found at https://trac.parrot.org/parrot/wiki/JITRewrite
193 + Implicit optional named parameters (eligible in 2.1)
194 + Continuation-based ExceptionHandlers (eligible in 2.1)
195 + Use of undocumented variables in class_init (eligible in 2.1)
196 + Parrot_oo_get_namespace (eligible in 2.1)
198 + Improved line number tracking in IMCC
200 + Converted many more Perl 5 tests to PIR
201 + Expanded test coverage of the CallSignature, Namespace, FixedPMCArray,
202 ResizeableIntegerArray and ExceptionHandler PMCs
206 + Added a fixed-size structure allocator to the Garbage Collector
207 + Added a "lazy" mode to the PObj and Fixed-Size memory allocators
208 + Added a profiling runcore, which generates Callgrind-compatible output
209 + Added lexical subsystem opcodes: find_dynamic_lex, store_dynamic_lex
210 + Converted Contexts to garbage-collectable PMC structures
211 + Created a new Context API
212 + Enhanced the PMC allocator to automatically allocate ATTR structures
214 + Optimized opcodes to cache the current Context for subsequent lookups
215 + Reduced string comparisons in VTABLE_isa
216 - Maintenance and cleanup
217 + Began proper encapsulation of STRING API
218 + Unified all PMC destruction functions
219 + Unified Continuation PMC and Parrot_cont structure
220 + Unified Sub PMC and Parrot_sub structure
221 + Removed PMC_EXT structure
222 + Removed PMC_Sync from PMC
223 + Removed UnionVal from PMC structure
225 + Fixed several stack-walking bugs in Garbage Collector code
226 + Fixed bug when copying a NULL STRING, now returns empty STRING struct
228 + Converted several Perl5 tests to PIR
229 + Expanded test coverage of NameSpace PMC
231 + Made Parrot Compiler Toolkit available in the base install
235 + Removed several deprecated functions and features
236 + Removed bsr, jsr, branch_cs, and ret opcodes
237 + Removed global stacks system
238 + Changed OPS file format to include explicit preamble
239 + Changed all "new 'Iterator'" instructions into 'iter' instructions
240 + Removed Configure.pl options for specifying non-working GC cores
241 + Removed unexecuting code as found by Coverity
242 + Improvements to the Parrot Debugger
243 + Added experimental fixed-size structure allocator to the GC
244 + Added experimental lazy arena allocation to the GC
245 + Refactored hashes, keys, and iterators
246 + Added "corevm" make target to build Parrot without all the supporting libraries
247 + Removed Random PMC type and added in a "rand" dynop
248 + Optimization and Improvements to the NCI thunk generator
249 + New include file libpaths.pasm
251 + Multiple .local with same name and different type is now an error on IMCC.
253 + Improved support for detecting Fink and Macports
254 + Updated search directories for libraries
256 + "Parrot Developers Guide: PIR" released to publisher and available to purchase
257 + Improved documentation about Parrot Debugger
258 + Update PGE Documentation
260 + Deprecate 'PASM1' compiler object, update to warn instead of segfault
262 + Fixes to code, documentation, and standards
266 + Key and Iterator refactor
267 + Major pbc_to_exe generated code speed improvement
268 + New "Infinite Memory" GC core for demonstration purposes
269 + gc_debug runcore and GC-related heisenbug fixes
270 + Elimination of variable expansion in parrot_config
271 + CLI arguments are processed as Unicode by default
272 + Substantial optimizations in NCI
273 + Parrot builds on Win64
274 + Hashes can use native types as keys and values
275 + Fixed installed pbc_to_exe
276 + Simplification of PMC generation code
277 + Improved GC encapsulation and API documentation
279 + List of candidates for embedding API (docs/embed.pod)
280 + PIR book sent to publisher
282 + Several conversions of Perl test to pure PIR.
283 + C indentation coding standards test improvement
284 + Improved test coverage of example code
286 + Removal of PGE rules: <null> <fail> <sp> <lt> <gt> <dot>
287 + Removal of PGE methods: .text .item .result_object
288 + Deprecation of most dynops
290 + Beginnings of OpenGL::Math library; OpenGL bindings and library marked experimental
291 + Localizing and consting fixes
292 + Many memory and thread-related leaks plugged
296 + Optimized parts of the IO system
297 + Fixed inheritance hierarchy of FileHandle and Socket PMC types
298 + Fixed leaks involving subroutines and Parrot_Context
299 + Cleaned up and refactored GC internals, including fixes and optimizations
300 + Optimized PMC class manipulations to use type numbers instead of string names
301 + Fixed problems involving hashval calculations in strings
302 + Removed unnecessary MULTI dispatches in built-in PMCs
303 + Fixed memory leaks involving PMCs that were not properly destroyed
304 + Fixed creation of PMCProxy PMCs in correct namespaces
305 + Added preliminary Pipe support
306 + Fixed cloning of Object PMCs
307 + Added root_new opcode
308 + Added initial versions of Packfile PMCs with read/write capabilities
310 + Fixed several memory leaks in IMCC
311 + Updated PCT to use root_new opcode
312 + Added support for keyword "self" in NQP
314 + Improved and expanded /docs/book
315 + Updated project documentation
316 + Defined 'experimental' status and procedures in DEPRECATED.pod
318 + Cleaned code and improved code-level documentation
319 + Various bugfixes, code cleanups, and coding standard fixes
320 + Added an experimental compiler library to help use PIR libraries from HLLs
321 + Updated OpenGL library and examples to support experimental HLL import
325 + Fixes for pir classes inheriting from core pmcs.
326 + Cleaned up headers and reorganized some sources into subsystem directories.
327 + Clean up PMCs so libparrot.so exports far fewer vtable/method symbols.
328 + Clean up the GC API.
329 + Several unicode identifier improvements in IMCC.
331 + Protoobject stringification is gone.
333 + Rewrite several core documents.
334 + Many reworks, improvements & additions to the Parrot Book.
335 + Installation PDD is launched out of draft.
337 + Fixes for running the language shell generator outside the parrot tree.
338 + Several fixes for developing and building HLLs from an installed parrot.
339 + Configure.pl now has a --no-line-directives option to ease source level debugging.
341 + Portability updates for macports, netbsd, mingw32, hpux.
342 + Several (build time, runtime) performance improvements.
343 + Lots of updates to examples and tests.
344 + Various bugfixes, code cleanups, and coding standard fixes.
348 + Added op: load_language, find_caller_lex
349 + Socket IO are back as PMC
350 + Refactor some PMC: Hash, ManagedStruct
354 - Allow \x, \c, and \o in enumerated character classes (incl ranges)
355 - Add initial greedy-only version of ** <exp> quantifier
357 - Add HLL source line bytecode annotations
358 - Add another dumper format to assist syntax highlighters
359 - Revise mk_language_shell.pl to updated create_language.pl
361 + Removed ops: gcd, exec, classname, need_finalize, runinterp, substr_r
362 + Removed dynamic op: mul
363 + Removed .HLL_map directive; use interp's .hll_map() instead
364 + Removed PMCs: slice, bound_nci, ref
365 + Removed Configure.pl option: --pmc
366 + Removed PMC union struct
369 - Reorganization and many improvements & additions
371 + Add a parrot-fuzzer
373 + Improve Debian/Ubuntu package
374 + various bugfixes, code cleanups, and coding standard fixes
379 + New user documentation for exceptions.
380 + Updates to Chapters 4 & 5 of the Parrot book.
381 + Improved and expanded generated HTML documentation, as the input for
382 http://docs.parrot.org.
383 + Added Compiled HTML Help (.chm) version of documentation.
384 + Cleanups and fixes.
387 - left the nest and is now at http://pynie.googlecode.com/
389 - left the nest and is now at http://github.com/cardinal
391 - left the nest and is now at http://paraplegic.googlecode.com/
392 + ABC, Squaak, and Befunge moved to examples/.
393 + All remaining languages moved to https://svn.parrot.org/languages/
395 + Support for language builds from an installed Parrot.
396 + Expanded language shell generator for new languages.
397 + 'parrotbug' utility repurposed for the Trac interface.
399 + Removed deprecated Tqueue and Closure PMCs.
400 + String, Key, NCI, LexPad, Iterator, Sub, Continuation, RetContinuation,
401 ExceptionHandler, ParrotLibrary, ParrotInterpreter, ParrotThread,
402 ParrotRunningThread, Rational, FixedPMCArray, ResizablePMCArray, and
403 GDBMHash PMCs now use declared attributes (ATTR), in place of the
409 + Support for portable 'Inf', 'NaN' and -0.0
410 + pbc_disassemble prints constants in constants table
411 + New experimental BigNum implementation
412 + Pair is now a dynamic loadable PMC
413 + Various function name sanification
414 + New implementation of Strings component
415 + Replace various PMC value union access code by VTABLE method invocations
416 + Replace various PMC value unions by ATTRibutes
417 + Removed SArray PMC. Use FixedPMCArray instead.
420 - updates to Chapter 2 (getting started)
421 - updates to Chapter 3 (PIR basics)
422 - updates to Chapter 4 (PIR subroutines)
423 - updates to Chapter 10 (HLLs)
424 - updates to Chapter 12 (opcodes)
425 + Function documentation
426 + Pod documentation style modernized; no longer Perl 5 style.
427 + PMC has an additional acronym: Poly Morphic Container
428 + The DOD (Dead Object Detection) acronym is no longer used;
429 use 'GC' to refer to the Garbage Collector component.
432 - :named flag can now take string registers as argument
433 - A single '=cut' directive is now ignored (without initial Pod directive)
434 - :vtable subs now have proper access to 'self' pseudo variable
436 + add new 'Pod' documentation parser
437 + Pipp (PHP implementation):
438 - Pipp is now at http://github.com/bschmalhofer/pipp
439 - support for 'print', 'dirname', 'implode', 'str_replace',
440 - various grammar fixes
442 + add 'quit', 'readline' builtins
443 + fix 'Boolean' type and 'print' builtin
445 - left the nest and is now at http://github.com/fperrad/lua/
447 - left the nest and is now at http://github.com/rakudo/rakudo/
448 - build instructions can be found at http://tinyurl.com/rakudo
450 - left the nest and is now at http://github.com/bschmalhofer/lazy-k.git
452 - left the nest and is now at http://github.com/bschmalhofer/unlambda/
454 - left the nest and is now at http://github.com/fperrad/wmlscript.git
455 + removed Zcode implementation
458 - ATTRs are now inherited automatically in subclassing PMCs
460 + Parrot_readbc, Parrot_loadbc renamed to Parrot_pbc_read, Parrot_pbc_load.
461 + .HLL_map directive in favour of 'hll_map' method on Parrot interpreter
462 + Data::Escape library
464 + pbc_disassemble options added
465 + pbc_dump renamed from pdump
467 + Parrot is now Copyright Parrot Foundation
468 + Parrot's SVN repository is now hosted at https://svn.parrot.org
469 + Various code cleanups, consting, 64-bit incompatibilities and other bug fixes
472 New in January 2009 release (0.9.0)
474 + Implemented bytecode annotations
475 + Role composition is now aware of multi-subs
476 + Unbuffered IO PMCs now autopromote when buffering is necessary
477 + Installation parrot binary and libparrot shared library now supported
478 + Class registry now respects HLLs
481 - removed keyed string indexing, e.g. $S0[1].
482 - removed slice syntax, e.g. $P0[1..2]
483 - removed .namespace <ident>/.endnamespace <ident> pair
484 - fixed 'new $P0, [classname]' syntax
486 - refactoring of various data structures
487 - various bug fixes and updates
488 - complete bytecode generation
489 - add '-x' commandline option to run compiled code
491 - add 'hll' and 'subid' attributes to PAST::Block
492 - refactor loop handling code to handle last/redo/next
493 - add :pasttype('stmts') and :pasttype('null')
494 - improve "scope not found" error message
495 - allow PAST::Val nodes to contain block references
497 - add "skipkey" option to PGE::OPTable
498 - allow spaces before modifiers in regexes
499 - add '(' ~ ')' goal matching syntax
500 - skip creating a class/grammar if it already exists
503 - improved error mesages in multi dispatch
504 - implemented clone method for all objects
505 - implemented MAIN sub
506 - Unicode versions of infix hyper operators
507 - refactored IO.readline
508 - basic support for Inf and NaN
509 - list and array slices with whatever star
511 - implemented last and redo
512 - pointy blocks as terms
513 - refactored variable and parameter passing
514 - improved assignment semantics
515 - improved parsing of type names and subs
516 - mostly implemented parametric roles
517 - separate types for blocks, subs and methods
518 - basic support for submethods
519 - implemented Junction autothreading of user code (not builtins yet)
520 - eval supports :lang attribute
521 - proto makes other subs in scope multis, including in role composition
523 - back to working state
526 - add support for predefined constant __CLASS__ and __METHOD__
527 - add initial support for static members
528 - add support for namespaced constants
529 - constants are now handled as package vars
530 - variables are now lexical variables
531 - add support for superglobals in functions
532 - Call the class __constructor when there is one
533 - added incomplete support for closures
534 - removed support for the alternative parsing strategies
535 - added support for 'elsif'
536 - added support for 'do-while'
538 - left the nest and is now at https://github.com/bschmalhofer/hq9plus/
540 - left the nest and is now at http://github.com/bschmalhofer/eclectus/
542 - left the nest and is now at http://github.com/bschmalhofer/m4/
544 - add a minimalist user back trace
546 - "does" and "morph" VTABLE interfaces are now overridable from PIR
549 - 'make smoke' now generates Smolder reports sent to
550 http://smolder.plusthree.com/app/public_projects/smoke_reports/8
551 + Improved const and null correctness for C function parameters
552 + Sped up STRING manipulation (append, chop), improving PGE about 30%
554 - Added sections about Classes, OO programming, and methods.
555 - Added information about Annotations, Exceptions, and Handlers
557 - Removed non-functional STM subsystem
562 + fixed lexical semantics
563 + added the 'capture_lex' opcode
564 + added automatic resume for nonfatal exceptions
565 + added multidispatch cache
566 + applied miscellaneous performance improvements, including startup time
567 + fixed several bugs and leaks found by Coverity Scan
568 + removed race conditions from parallel testing
571 - removed undocumented .param int <stringc> => <ident> syntax
572 - .line directive now only takes an integer argument
573 - new .file directive to specify the file name being compiled
575 - properly handles lexical generation and closure semantics
576 - uses :subid instead of name lookups to reference PAST::Block nodes
577 - added PAST::Control node type (exception handlers)
579 - add support for <?{{...}}> and <!{{...}}> assertions
580 - Match objects use Capture PMC instead of Capture_PIR
582 - add macro handling to PASM mode
583 - disable vanilla register allocation in PASM mode, but do allow optimization
584 - add tests and bug fixes
585 - first bits of bytecode generation. No sub calling/returning yet.
588 - fixed lexical handling and recursion
589 - refactored subtypes implementation
590 - support for quotes with multi-character delimiters
591 - implemented list slices (Positional role)
593 - reduction meta operators
594 - hyper meta operators
595 - cross meta operators
596 - more builtin functions
598 - basic support for protos
599 - iterator on filehandle objects
600 - basic support for exception handlers
603 - added complex & mathx libraries
604 - merged LuaClosure & LuaFunction PMC
606 - added support for a return value from user defined functions
607 - added incomplete implemention of 'require_once'
609 - parser fixes, parses spidermonkey's top level test/shell.js
611 + PARROT_API is now PARROT_EXPORT
613 - :lexid is now :subid
614 - .arg is now .set_arg
615 - .result is now .get_result
616 - .yield (in .begin/end_yield) is now .set_yield
617 - .return (in .begin/end_return) is now .set_return
618 - .namespace x / .endnamespace x syntax is removed
619 + Capture_PIR (runtime/parrot/library/Parrot/Capture_PIR.pir)
623 + added CPAN module Storable 2.12 as a configuration and build dependency
624 + removed the pseudo PIR opcode 'addr'
625 + added the 'box' opcode
626 + fixed 'pop_eh' handling in PIR libraries and examples
627 + removed usage of .return for tailcalls (use .tailcall instead)
628 + removed 'get_hash' and 'get_array' from Capture PMC and Capture_PIR
629 + improved debugger and HLL coordination
630 + allowed MMD primitive autoboxing
631 + fixed all known memory leaks in PIR "Hello, world!"
632 + NCI signatures now JITted on x86-32 platforms (Windows and Linux)
633 + made the .const directive take a quoted type name instead of a constant
634 + made IMCC more re-entrant
637 - refactored Junctions implementation
638 - added "fire and forget" tool to rebase/rebuild/test Parrot and Rakudo
639 - updated container/reference semantics
640 - added more builtin methods and functions
641 - improved support for multilevel namespaces
642 - added support for .Str, .succ, .pred in user-defined classes
643 - implemented pointy blocks on if/loops
644 - increased STD.pm convergence
646 - improved MMD candidate sorting
647 - improved integration of Num and Int
648 - implemented increment on protoobjects
649 - added initial support for MAIN subs
650 - added .PARROT method
652 - added some predefined constants
653 - added implemention of the function basename()
655 - Added initial support for the classes Proc, Continuation, Queue, Dir, File, and FileStat
656 - fixed various minor bugs
657 - fixed broken Regexes
660 - added '.isa' method to PCT::Node
661 - cleaned up 'immediate block' handling
662 - allowed arguments to immediate blocks in loops/conditionals
663 - metaclass objects can now 'add_method'
665 - integrated macro processing in PIRC's lexer
666 - integrated heredoc lexer in PIRC executable
667 - added preprocess and heredoc-preprocess commandline options
668 - integrated the PASM grammar into PIRC
669 - added a register allocator to optimize the built-in vanilla allocator
670 - code cleanups and documentation
671 - added 'make test' target
673 - updated to work with new namespace/classname syntax
675 + PARROT_API will become PARROT_EXPORT
676 + :lexid will become :subid
679 - updates and additions to the Parrot book (see docs/book/)
681 - minor fixes to Parrot's base OpenGL bindings
682 - converted OpenGL PIR examples to Perl 6 (two complete, one WIP)
683 - added simplified OpenGL PIR example for NCI JIT testing
685 - further improvements to parallel tests
686 - tests no longer leave filesystem breadcrumbs
687 - more thorough testing of Parrot::Test itself
691 + float precision expanded to 15 significant digits from 6
692 + large integers autopromoted in PIR so as not to lose precision
693 + improved precision of complex square root
694 + exception handlers can register types of exceptions they catch
697 - implemented gather, take, and yield builtins
698 - Range, Time, Math, GC, Kernel classes
700 - added a new committer
701 + Markdown : new lightweight markup language
702 - start implementation with PCT/NQP
704 - Moved to its own repository: http://code.google.com/p/partcl/
706 - split() works with regexes
707 - implemented Str.comb
708 - ord() and chr() builtins
709 - improved parsing of literal numbers
710 - support for hyphens and dashes in identifiers
711 - next() on for-loops
712 - fixed floating point constant precision
713 - improved namespace handling, closer to STD.pm model
714 - support for exporting symbols
717 - now generates classes in nested namespaces instead of :: names
718 - supports class creation in caller's HLL namespace
720 - now using true nested namespaces instead of :: names
721 - cleaned up HLLCompiler interactive prompts and readline mode
722 - updated to use typed exception handler registration
723 - added initial support for loop control exceptions
725 - fixed Heredoc preprocessor
726 - cleaned up Macro preprocessor
727 - many code clean-ups, warning fixes and consting
728 - updated Makefile for easier compilation
730 - Added .tailcall syntax to replace .return in tailcall context
733 - an old style line numbered Basic interpreter able to use parrot objects
734 - example connecting to mysql via nci
735 - example using classes to write and run an embedded Basic program
738 - Added chapters for PCT, PMCs, and Opcodes/Runcores
739 - Expanded and improved formatting in various chapters
740 - Renumbered chapters
745 + add -I and -L command line options
746 + support for null strings in NCI calls
747 + preliminary support for resumable exceptions
748 + add '.hll_map' method for dynamic HLL type mapping
749 + more parrot_debugger fixes
750 + remove obsolete '.past' extension
753 - now over 3300 passing spectests
754 - precompiled modules
755 - precompiled scripts (--target=pir can now be executed standalone)
756 - Support for @*INC and %*INC varialbes
757 - additional builtin methods and subs
758 - added 'fail' function, warnings on use of undefined values
760 - qq, qw, q quoting forms
761 - run tests in parallel
765 - 'require' and precompiled modules
767 - all Array tests pass
769 - default arguments to functions
773 - add :loadinit attribute for PAST::Block
775 - major refactoring to allow all PIR keywords as identifiers
776 - links to libparrot now, so all Parrot ops are recognized as such
777 - implemented .loadlib, .HLL_map, .HLL
779 + add Xlib and Mysql modules and test programs to NCI examples
780 + many updates and cleanups to PDD documents
784 + PDD27: add multisub lookup
786 + new concurrency implementation (see PDD25)
787 + Exception PMC now captures a return continuation
788 + improved PMC encapsulation (Iterator, Key, Pair)
792 - parsing improvements
793 - minor additions to class builtins
794 - add support for block parameters to functions
796 - various language fixes
797 - refactor all libraries (namespace, method registration)
798 - add a OpenGL binding (still incomplete)
799 - lost user back trace (see ppd25 & pushaction)
801 - add support for while- and for-loops
802 - add support for increment and decrement
803 - designate PHP 5.3 as the reference implementation
804 - improve support for string literals
806 - removed due to bit rot
808 - now over 2200 passing spectests
809 - updated the Rakudo roadmap
810 - Perl 6 multi dispatch
811 - dispatch with slurpies
812 - class attributes ("my $.x")
814 - OO and metaclass improvements (.WHAT, .WHICH, .WHENCE)
815 - additional builtin methods and subs
816 - improved make test targets and harness
818 - implement [lreverse], [lsort -command]
819 - allow [incr] to autovivify
820 - update tclsh spec target to 8.5.3
821 - fix bug in TclDict PMC, allowing ~200 more [dict] spec tests to pass
822 - update 'make spectest' fudging, using TODO instead of SKIP if possible
825 - :scope('register') for PAST::Var nodes
826 - allow invocant specification in attribute scope PAST::Var nodes
827 - correct ordering of sub generation from POST
828 - add 'loadinit' attribute to PAST::Block for block initialization
830 - PIR registers now use the vanilla register allocator
831 - all PASM output now uses PASM registers
832 - all .locals and $registers are mapped
833 - clean-up of grammar, back-end and documentation
834 - implemented constant folding
835 - implemented instruction selection
837 + tests now clean up after themselves
838 + improved parallel test support
840 + Darwin problems fixed
842 + parrot_debugger renamed from pdb, numerous tweaks
845 + :vtable implies self in PIR
846 + modest core speed improvements
847 + Cygwin support improved
848 + "say" now an opcode (was dispatched to a method; see Deprecations)
850 + ".pragma n_operators" is deprecated
851 + old PASM register syntax (without "$") is deprecated
852 + bare (unquoted) method names are deprecated
853 + "#line" will be replaced with ".line"
854 + ".HLL_map" syntax will change
855 + ".loadlib" is now separate from ".HLL"
856 + mmdvtregister and mmdvtablefind opcodes are deprecated
857 + removed getfd, getclass opcodes
858 + removed IMCC syntax that treated some methods as builtins
859 + removed numeric get_attr and set_attr vtable entries
863 + removed a lot of old information from the FAQ
864 + improved function level documentation
866 + removed the configuration item 'has_gnu_m4'
867 + refactored ICU-detection
870 - improved the Smalltalk implementation
872 - renamed Plumhead to Pipp
873 - support for a lot of builtin functions.
874 - Pipp now uses PHP specific data types.
875 - converted from PCT with TGE to PCT with NQP actions
876 - improvements in the PCT variant by using optok parsing
877 - start of object support
879 - simple assignments work
881 - added a PCT-based implementation of JSON parsing
883 - improved handling of symbols
884 - added support for block handling
885 - added support for globals
889 - updated Range implementation
891 - added generic type declarations (::T)
892 - added runtime mixing of roles with 'does' and 'but'
893 - fixed handling of implicit lexicals ($_, $!, and $/)
894 - fixed implicit method calls on $_
895 - improved complex math builtins, added Complex
896 - moved many builtins to class Any
897 - declaration of lists of variables now work
898 - improved test infrastructure
899 - 910 additional passing spec tests since last release
900 - more convergence with STD.pm grammar
901 - added named 0-ary parsing and ops
904 - allowed subroutine and method names to be a PAST tree that produces the name
905 - Improved lexical handling
907 + pbc_disassemble renamed from disassemble
909 + allowed .macro_const in PIR
910 + added the flag :lexid(...) for subroutines
911 + made multiple dispatch work for sub types
912 + fixed garbage collection bug related to the metadata attached to a PMC_EXT structure
913 + added a warning when using deprecated opcodes
914 + simplified the stacks implementation
916 + improved closure and lexical support
917 + improved IMCC register allocator
918 + added cache for all runtime-constant strings, reducing memory usage
920 + improved OpenGL/GLU/GLUT bindings
921 + added a standard profile for Perl::Critic coding standard testing
922 + added support for smoke testing with Smolder
923 + enabled use of Test::Harness 3.0 if available, but don't require it for 'make test'
924 + added the executable 'parrot_config' to query Parrot configuration
928 + updated pdd09_gc.pod
931 - dramatically improved parsing speed
932 - added support for defining and instantiating classes
933 - started fleshing out the builtin class hierarchy
934 - added support for hashes and arrays
935 + Chitchat: added the start of a smalltalk compiler
936 + Pheme: updated to match PGE changes
937 + Pynie: return statement, other minor updates
939 - added working list and hash contexts
940 - added 'return' statements
941 - added => pair constructor
942 - added ?? !! ternary
943 - added Range, range operators, Complex
944 - added common List, Hash methods
945 - refactored base classes
946 - added Mutable, Perl6Scalar classes
947 - added type-checking, is readonly/rw/copy for parameters
948 - added make localtest, docs/spectest-progress.csv
950 + Squaak: implement return statement
951 + Tcl: updated control flow exceptions to use new builtin types
953 + All tools converted to P6object metamodel
955 - <?foo> is now a zero-width match
956 - reduced backtracking to improve parsing speed
958 - added "return" PAST.op node type for subroutine returns
959 - added "keyed_int" scoping to PAST::Var
960 - fixed calls to closures
961 - automatically transcode 7-bit unicode to ascii for faster processing
962 + NQP: added "return" statement, ?? !! ternary operator
964 + expanded step gen::opengl
966 + updated function and macro names to match pdd09_gc.pod
968 + add ".namespace []" as alternative to ".namespace"
969 + "make codetest" target runs standard coding tests
971 + added P6object class for Perl 6 interfaces to objects in Parrot
972 + ported OpenGL/GLU/GLUT bindings to Win32, BSD, and more Mac OS X variants
973 + generate OpenGL/GLU/GLUT bindings by parsing system headers
974 + new OpenGL example shapes.pir, covering basic OpenGL 1.1 / GLUT 3 APIs
975 + new float4.pir structure-packing benchmark
976 + reduced memory use for variables
977 + improved constant string caching
978 + made code g++ and gcc (with optimizations) safe
979 + the usual collection of bugfixes and optimizations
983 + updated and launched pdd28_strings.pod
984 + updated pdd19_pir.pod
986 + added implementation of Rational PMC.
987 + simplified ops control flow syntax
988 + enabled backtrace on non-glibc platforms too
989 + improved some PIR error reporting
990 + removed user stack opcodes
991 (save, restore, lookback, entrytype, depth, rotate_up)
992 (NOTE: This was scheduled to occur after 0.7.0, moved up to this release)
993 + removed register stack, saveall, and restoreall opcodes
994 + removed various deprecated features and unused code
997 + C99: grammar updated
998 + Cardinal: resurrected, method calls and do blocks work now
999 + Eclectus: use NQP as PAST generating code
1001 - added big number library
1002 - updated to match PGE changes
1003 - added a bytecode disassembler & a Lua 5.1 VM bytecode translator
1004 + Pheme: updated to match PGE/PCT changes
1006 - use NQP as PAST generating code
1007 - use riaxpander for macro expansion
1010 - conditional and loop statement modifiers
1011 - lots of class, object, role, and method improvements
1012 - Str increment and decrement
1013 - improved spectest reporting
1014 - type checking on assignment
1015 - regexes and grammars
1019 + Squaak: added to repository
1022 + PGE: updated to match Synopsis 5, deprecated features removed
1024 - improve handling of register types, conversion between registers
1025 - improved error diagnostics
1026 - add 'arity' to for loops
1028 + added step auto::opengl
1029 + added step gen::opengl
1030 + added step gen::call_list
1032 + still more optimizations and performance improvements, especially in GC
1033 + new libraries: OpenGL/GLU/GLUT bindings (small subset working)
1034 + new dump_pbc.pl utility: PBC disassembly/source code weaver
1035 + improved C++ compiler support
1036 + optimized builds work again
1041 + drafted pdd29_compiler_tools.pod
1042 + updated pdd28_character_sets.pod draft
1043 + updated pdd19_pir.pod draft
1045 + c99: added independent C pre-processor
1046 + HQ9+: reimplemented with PCT
1048 . reimplementation with PCT, using PAST and POST
1049 . behavior aligned wih 5.1.3
1051 . implemented basic I/O, including '$*IN', '$*OUT', '$*ERR', 'prefix:='
1052 . implemented simple typing and runtime type checking
1053 . added basic multi-method dispatch
1054 . expanded named argument handling, including Pair and colonpairs
1055 . added 'Whatever' and 'Capture' classes
1056 . implemented 'handles' trait verb
1057 . added 'loop' statement
1058 . implemented 'given', 'when', 'for', 'while', 'until' statement modifiers
1059 . implemented Hash methods '.keys' and '.values'
1060 . fixed bug to get '.WHAT' working correctly
1061 . initial implementation of 'eval'
1064 . created a bootstrapped build, see 'make boot'
1065 . added 'infix:<', 'infix:<=', 'infix:>', 'infix:>=' relational operators
1066 . added 'postfix:++', 'postfix:--' operators
1068 . added methods specifying default behaviors in PAST, reducing repeated code
1069 . improved symbol table lookup
1071 . removed deprecated code including: P6Regex, P6Grammar, PAST-pm
1073 + notable speedups during compilation and execution of parrot and HLLs
1074 + pdb (the parrot debugger) can now catch parrot exceptions
1075 + better detection of glibc and gettext during configuration
1076 + various bugfixes, code cleanups, deprecations, and coding standard fixes
1081 + launched pdd18_security.pod
1082 + updated pdd17_pmc.pod
1083 + launching draft of pdd28_character_sets.pod
1085 + cleanup of IMCC documentation
1087 + add step auto::gettext
1088 + add step auto::crypto
1092 . Phase out P6Regex in favor of Perl6Regex
1094 '.local Array my_arr' is illegal now
1096 + C99: reimplementation with PCT
1099 . add support for functions with params
1100 . add math functions
1103 . first cut at smart matching
1104 . indirect method calls
1106 . added methods 'grep' and 'first'
1107 . implement auto{increment,decrement}
1108 . initial implementation of 'perl6doc'
1111 . add base64 library
1112 + Cardinal: basic support for functions with parameters
1113 + Pheme: various updates
1114 + Ecmascript: various updates
1115 + Tcl: now targeting tcl 8.5.1, no more expected failures in test suite.
1116 (No, this doesn't mean everything's implemented. =-)
1117 + Eclectus: various updates
1118 + WMLScript: various updates
1121 + Add library YAML::Dumper
1122 + Add the MD2, MD4, MD5, RIPEMD160, SHA & SHA1 PMC, as a wrapper
1125 + various bugfixes, code cleanups and coding standard fixes
1127 + remove external Perl 5 modules from the Parrot distribution
1131 + PDD09 (garbage collection) - approved
1132 + PDD28 (character sets) - draft started
1133 + added function documentation to some core functions
1134 + PCT beginners guide, optable guide and PAST nodes guide, bug fixes
1136 + IMCC: plugged various memory leaks and other cleanups
1138 . add "attribute" as a scope variant to PAST::Var nodes
1139 . add 'shift' and 'pop' methods to PAST:: nodes
1140 + NQP: add '=:=' op, tests for scalar and list contextualizers, \x escapes
1142 + APL: reimplementation with PCT
1143 + Cardinal (Ruby): reimplemention with PCT
1144 + Ecmascript: reimplementation with PCT
1145 + lolcode: improved expression parsing, ifthen, IT, YARN
1147 . aligned with Lua official release 5.1.3.
1148 . added initial PCT-based implementation.
1149 + Punie (Perl 1): refactor to use standard PCT-based filenames
1150 + Pynie (Python): add functions
1152 . rebranded, formerly known as 'perl6'
1153 . passes many more official Perl 6 Specification tests
1154 . added 'perl6doc' utility
1155 . oo including meta?classes, objects, methods, attributes, role composition
1156 . match variables, while/until statements, traits
1157 . many new methods for Str, List, Hash, Junction
1160 + PCCINVOKE syntax for named arguments using []; use () instead.
1161 + see DEPRECATED.pod for details
1163 + pbc_to_exe refactored for code reduction, portability, and maintainability
1165 + #line directives added to generated JIT files, improving debugging
1166 + consting, attribute marking, refactoring, warnings cleanup
1170 + PDD27 (multiple dispatch) - debut of new design
1171 + Numerous small updates to glossary.pod, etc
1173 + NQP: optional, named, and named/required parameters
1175 + PAST: "defined-or"
1177 + New mk_language_shell.pl script creates language stubs
1180 + Eclectus: start with support for local variables and procedures,
1181 use SXML as intermediate representation
1182 + Perl 6: list builtins, compiler directives, command-line options, etc.
1183 + "make perl6" now builds a Perl 6 executable
1184 + punie: more builtins, control structures, code refactoring
1185 + pynie: builtin stubs, more tests
1187 + New "pbc_to_exe" utility turns bytecode to executables
1188 + New set_outer method for subs
1189 + Further configuration refactoring for testability
1190 + All functions now completely headerized
1191 + Concurrency: interpreter schedulers
1193 + DYNSELF (changes to SELF; SELF to STATICSELF)
1194 + METHOD (replaced by renaming PCCMETHOD)
1195 + pmcinfo op (superseded by 'inspect')
1196 + get_attr, set_attr, and 8 other vtable methods
1197 + See DEPRECATED.pod for details
1200 + Minor speed enhancements with UTF-8 string handling
1202 + consting, attribute marking, warnings cleanup, memory leaks plugged ...
1206 + PDD19 (PIR) - reflect state on the ground; incorporate old IMCC docs
1207 + PDD25 (Concurrency) - launch out of draft
1208 + Improve documentation of deprecated parrot features.
1210 + PCT: Parrot Compiler Toolkit redesigned and updated
1211 + NQP: major updates, including support for namespaces,
1212 module/class declarations, methods
1213 + IMCC: remove .sym as alias for .local. Remove .pcc_
1214 prefix for calling directives (.pcc_begin became .begin_call).
1215 + PIRC: creates an AST during the parse.
1216 + PGE: more updates to match S05 syntax.
1218 + perl6: re-implemented using PCT and NQP, new object subsystem
1219 + abc: re-implemented using PCT and NQP
1220 + eclectus: initial implementation
1221 + plumhead: add PCT variant
1222 + punie: re-implemented using PCT and NQP, extended to handle subroutines
1223 Happy 20th Birthday, Perl!
1224 + pynie: re-implemented using PCT and NQP
1225 + PIR: start conversion to NQP (under construction)
1227 + new opcodes: 'die', 'addhandler', 'copy'
1228 + Initial implementation of Concurrency PDD
1229 + Add 'arity' method to Sub and NCI PMCs
1232 + consting, attribute marking, warnings cleanup, memory leaks, GC...
1233 + dead code removal (includes some defunct languages)
1237 + PDD15 (OO) branch merged with trunk; this release contains a working,
1238 tested implementation of the latest OO model
1239 + Added pop_eh/push_eh_p/count_eh opcodes
1240 + Add --runcore command line option
1241 + Add gcdebug runcore to help track down GC bugs
1242 + minor improvements to IA-32 JIT
1244 + PDD19 (PIR): updates to macros, .pcc* directives
1245 + PDD25 (Concurrency): updated
1246 + PDD26 (AST): draft approved
1247 + PDD23 (Exceptions): draft approved
1248 + Copyright cleanups
1249 - Languages/Compilers
1250 + languages/APL: minor updates, PDD15 conformance
1251 + languages/dotnet: minor updates
1252 + languages/lua: minor updates, PDD15 conformance
1253 + languages/lisp: minor updates
1254 + languages/perl6: minor updates, PDD15 conformance
1255 + languages/plumhead: minor updates
1256 + languages/punie: minor updates, PDD15 conformance
1257 + languages/nqp: minor updates
1258 + languages/scheme: many updates, PDD15 conformance, improved tests, use
1259 PMCs instead of primitive registers to represent values
1260 + languages/tcl: bugfixes, PDD15 conformance
1261 + languages/WMLScript: minor updates
1262 + compilers/pirc: updates from PDD19, PDD06
1263 + compilers/pct: minor updates, PDD15 conformance
1264 + compilers/pge: PDD15 conformance
1265 + compilers/tge: PDD15 conformance
1267 + Improve test coverage
1268 + Improve reporting when a step fails; allow abort on failure
1270 + More coding standard conformance, tests, cleanup, speedups,
1272 + Bug cleanup, esp. GC bugs
1273 + Eliminate .imc extension (use .pir)
1274 + Simplify some core config steps to not allow interactive prompting
1280 + Bug fixes (including Coverity IDs 20, 22, 30, 119-122, 124-126, 129-131)
1281 Also various GC, memory, and segfault issues
1282 + Fix & reenable CGP core
1283 + Parrot's -r flag now works again (compile to and execute bytecode)
1284 + Updates to pmc2c & PIR syntaxes
1286 + Minor performance improvements, especially in PGE
1288 + PDD02 "Vtables" - superceded by PDD17
1289 + PDD06 "PASM" - minor updates
1290 + PDD17 "PMC" - add VTABLE syntax, update core PMC struct, restore UnionVal
1291 + PDD19 "PIR" - early review started
1292 + PDD21 "Namespaces" - cleanup
1293 + PDD24 "Events" - draft approved
1294 + PDD25 "Concurrency" - minor updates
1295 + PDD26 "AST" - draft version begun
1296 + PIR tutorials updated
1297 - Languages/Compilers
1298 + Make scheme work with the current calling conventions, other major work.
1299 + Updates to m4, lua, compilers/pirc, languages/PIR, dotnet, tcl
1301 + make -j functional again
1302 + Code cleanup (refactoring, optimizations)
1306 + Performed code review on every PMC
1307 + Modified PMC code generation to use Storable, reducing compile times
1308 + Added a makefile target to generate test coverage data of C sources
1310 + NQP: added lists, for loops, operators, comparison and multiplicative operators
1311 + Announced Kea-CL, Kea Common Lisp, an ANSI Common Lisp implementation
1312 The repository is available at https://rgrjr.dyndns.org/svn/kea-cl/trunk/
1314 + PDD17 "PMCs" - draft approved, the design is complete
1315 + Added more PIR tutorials, see examples/tutorial/00_README.pod
1317 + Many bugfixes, enhancements, documentation, and coding standard updates
1318 + Deprecated PMC constants and other crufty syntax, see DEPRECATED.pod
1319 + Improved icc compiler compatibility for error line reporting
1323 + Lots of code review, many bugs fixed
1324 + Many more code cleanups and compiler warning levels
1325 + Started a new jit engine for 64-bit processors
1326 + Refactored configure process, with tests and new diagnostic options
1327 + Added new CodeString PMC for dynamic generation of PIR code
1328 + More pdd15 support for object metamodel.
1330 + Added NQP ("Not Quite Perl"), a very lightweight Perl 6-like language
1331 + Significant improvements and refactors to PCT (Parrot Compiler Toolkit)
1332 + perl6 passes more spec tests
1333 + Lua works now with a PGE/TGE/PAST-pm based compiler, lives in one pbc,
1334 and the interpreter has same behavior as original.
1336 + Added a committers' HOWTO
1337 + More PIR tutorial examples
1341 - Now, with Seat Belts!
1342 + added makefile targets for Sun lint, BSD lint, and splint
1343 + corrected many errors picked up by these tools
1344 + decorated source code with compiler hints, assertions, and attribute macros
1345 + automated creation of function declarations to prevent common errors
1346 + increased compiler warnings levels
1347 + converted more exceptions to a recoverable form
1349 + updated Lisp, Lua, Perl 6, tcl, regex, Scheme ("Pheme")
1350 + Perl 6 now fetches selected tests from pugs, and even passes some
1351 + PGE modified to handle {*} action subs for top-down and bottom-up parsers,
1352 and to allow grammar subclassing
1353 + HLLCompiler now has better exception, eval, and exit support
1354 + Introduced PCT, a refactor of HLLCompiler and PAST-pm
1356 + PDD15 "Objects" - details added to 'new' and 'getattribute' opcodes
1357 + PDD17 "PMCs" - notes added on instantiation and dynamic extention in PIR
1359 + added Parrot-related text from "Perl 6 and Parrot Essentials" book,
1360 tutorial examples from "Learning PIR" talk, and PDD15 metamodel diagrams
1362 + reduced memory footprint when using named registers
1363 + implemented overridding of vtable methods by PDD15 classes
1364 + improved PDD15 support for 'new', 'instantiate', and others
1365 + added makefile targets to ease core and HLL makefile regeneration
1366 + updated parrot dubugger, "pdb", to allow loading of commands from file
1368 + many bugfixes, enhancements, documentation, and coding standard updates
1372 + Updated Lisp, Lua, PHP ("Plumhead"), Python ("Pynie"), ABC,
1373 WMLScript, and Tcl ("ParTcl").
1374 + Perl 6 passes all of the sanity tests.
1375 + PGE supports latest Perl 6 grammar syntax. Perl 6, Python
1376 ("Pynie"), and ABC parsers updated to match.
1377 + Updated PHP ("Plumhead") to Antlr 3.0.
1378 + Lua added the beginnings of a PGE/TGE based compiler (not yet
1379 replacing the Perl/Yapp compiler).
1380 + Lisp updated for current features, added a test suite.
1381 - Core Implementation:
1382 + Filled in features and backward compatibility for PDD 15 objects.
1383 New object metamodel passes 85% of old test suite.
1384 + GCC API symbols are visible externally only when explicitly exported.
1385 + Added generated GCC compiler attributes to increase warnings, and
1386 cleaned up resulting warnings.
1387 + Code cleanup efforts and fixed memory leaks by the cage cleaners,
1388 resulting in notable speed increases.
1390 + Updated Parrot distribution to Artistic License 2.0, from dual
1391 Artistic 1/GPL license.
1392 + SDL examples brought up-to-date with current features.
1396 + even more refactorings and improvements in configuration system
1397 + improved tests and documentation for configuration system
1399 + Updated abc, PHP ("Plumhead"), Lua, Tcl
1402 + new PMC PDD draft partially completed
1404 + continued implementation of PDD 15 (Objects)
1405 + minor garbage collector and memory management improvements
1406 + several memory leaks resolved
1407 + extended support for compilers other than GCC
1408 + improved C++ compiler compatibility
1409 + enhanced support for Solaris, non-MSVC Win32, and other platforms
1414 + IMCC: added documentation for C-based Parrot Calling Conventions,
1415 refactorings and bug fixes
1416 + PGE: new perl6regex front end reflecting recent S05 syntax changes
1417 + PIRC: new prototype PIR parser
1419 + Updated Lua, PHP ("Plumhead"), BASIC, pynie
1420 + Lua implements environment
1422 + PDD15 "Objects" - details added, and draft approved
1424 + Added guidelines for PMC documentation
1426 + PDD15 implementation is largely complete, including role-based composition,
1427 introspection, and C3 method resolution order
1428 + new Exporter PMC for importing globals between namespaces
1429 + new string utilities for radix conversion
1430 + PCCINVOKE and Parrot_PCCINVOKE allow calling using the full Parrot Calling
1431 Conventions from PMCs and C code respectively
1433 + Refactorings and improvements in test coverage for 'Configure.pl'
1435 + many bugfixes, enhancements, and code cleanup
1436 + added example subversion config file
1437 + extended support for gcc, icc, and other compilers
1438 + extended support for Solaris and other platforms
1444 + IMCC: Parrot calling conventions now available between two C PMCs (PMINVOKE)
1445 + PGE: Match object improvements
1446 + smop: added Attribute and Class PMCs
1447 + HLLCompiler: improvements for interactive mode
1449 + extended binding to a list of variables
1451 + Updated Lua, PHP ("Plumhead"), Tcl ("ParTcl"), Ruby ("Cardinal")
1452 + Update PIR, regex, Zcode
1453 + New language: Pynie - a Python compiler for Parrot
1454 + Lua implements require and many other ops, improved regex support
1457 + PDD01 "Overview" - updated architecture and platform information
1458 + PDD15 "Objects" - details on roles, objects, and classes added
1459 + PDD22 "I/O" - added async ops and Status PMC details
1461 + Added guides for Metacommitter, Relase Manager, and Cage Cleaner roles
1463 + Object, Class, Role, and Attribute PMC implementation has begun
1464 + Perl 5 module "Parrot::Embed" now compiles and links on all platforms
1466 + Major improvements in test coverage for 'ops2c.pl'
1468 + New utility: Crow, a template processor
1469 + New library module: Config/JSON for reading/writing JSON files
1470 + many bugfixes, enhancements, and coding standard updates, code cleanup
1475 + IMCC: Parrot calling conventions now available in C PMCs, allowing
1476 named, optional, slurpy, and flat parameter passing
1477 + PGE: extended support for Perl 5 Regexes
1478 + smop: prototype object model implementation
1479 + hllcompiler: refactored to run a configurable set of compilation stages
1481 + redesigned assign/binding to support Perl 6 binding semantics
1483 + Updated Lua, PHP ("Plumhead"), Tcl ("ParTcl"), perl6, perl5
1484 + New language: PIR - a PGE-based implementation of Parrot PIR
1485 + perl6 now supports binding (':=') and 'join'
1486 + lua generates tail calls, and supports its own regex flavor (PGE-based)
1487 + Pheme still works, huzzah!
1489 + PDD21 "Objects" - rewritten
1490 + PDD22 "I/O" - updated and 'TODO' tests added
1492 + Interface stability classification standards approved
1493 + Roles and Responsibilities documented approved
1494 + Official 'drafts' directory created (was 'clip')
1496 + More NameSpace and OS PMC methods implemented
1497 + Parrot executable fullname and basename now available in PIR/PASM code
1498 + new 'chomp' library function
1500 + Major improvements in test coverage for 'ops2pm.pl'
1502 + many bugfixes, enhancements, and coding standard updates
1503 + extended support for Sun Workshop Compilers
1504 + Parrot now builds on PocketPC platform
1509 + HLLCompiler: added tracing options, modified api
1510 + PGE & TGE bugfixes and updates
1512 + added global and lexical variable support
1513 + added looping constructs, arrays, hashes
1515 + Updated PHP ("Plumhead"), Tcl ("ParTcl"),
1516 forth, perl6, lua, abc, APL, WMLScript, punie
1517 + ParTcl is passing > 24.9% of Tcl cvs-latest test suite
1518 + perl6 now supports hashes, arrays, method calls, arity-based
1519 multisubs, quoted terms, ranges (non-lazy), try blocks, $!
1521 + PDD01 "Overview" - updated
1522 + PDD22 "I/O" - rewritten and approved
1524 + Converted Perl 5 Regex tests to PIR, with notable speedup
1525 + Added tests for opcodes, compilers, languages, and coding standards
1527 + Major improvements in test coverage for 'pmc2c.pl'
1529 + many bugfixes, enhancements, and coding standard updates
1530 + extended support for non-core platforms including Cygwin, Tru64
1534 - New languages: PHP ("Plumhead"), Forth
1535 - Updated languages: Ruby ("Cardinal"), Tcl, Lua
1536 - Remove old Python implementation from Parrot repository; the new Python
1537 language code is hosted at http://pirate.tangentcode.com
1539 + PGE updated with more expressions, latest changes to S05
1540 + new Perl 6 grammar compiler
1542 + Perl 5 module "Parrot::Embed" allows easy embedding of a Parrot
1543 runtime into a Perl 5 program
1545 + new :init pragma for subs that must run before the main function
1546 + new :vtable pragma to identify subs that override PMC vtable methods,
1547 eliminating the need for special subroutine names
1548 + PIR parser/compiler does not stop on first syntax error
1549 + Vanilla register allocator ("register alligator") greatly improves
1550 performance compiling large functions
1551 + Eliminated limit on number of PIR macros
1553 + hash lookups return null instead of None for missing keys
1555 + PDD13 "Bytecode files: format and manipulation" - new
1556 + PDD10 "Embedding" - new
1557 + PDD25 "Concurrency" - rewritten
1558 + PDD15 "Objects" - new section on redesign requirements
1559 + PDD07 "Coding standards" - significant updates and automated tests
1561 + Many many more new tests
1563 + autoconf compatible install options
1565 + Namespace refinements
1566 + Coroutine improvements
1567 + An impressive swarm of other bugfixes and enhancements
1571 - New languages: Ruby ("Cardinal"), Javascript ("ecmascript")
1572 - Updated languages: Tcl, dotnet, bc, Pheme, Punie, WMLScript
1573 - Updated compilers: PGE, TGE
1575 + ".loadlib" directive expresses dependencies
1576 + ".namespace" with no parameter goes to HLL root
1577 + lexer is reentrant (reentrant grammar in progress)
1578 - Namespace improvements:
1579 + new suite of opcodes to access namespaces and globals
1580 ("find_global" and "store_global" will be phased out)
1581 + namespace '' no longer means HLL root
1582 - Design document updates:
1583 namespaces (pdd23), basic types (pdd17), embedding
1584 - Updated tool requirements for developers:
1585 flex 2.5.33, bison 2.1, perl 5.6.1
1586 - New to-do list for people new to Parrot:
1588 - The usual plethora of bugfixes and enhancements
1592 - unicode subroutine names
1593 - hierarchical class names finished including MMD support
1594 - new dotnet CLI to PIR translator
1595 - improved TGE code and compiler
1596 - APL: vector handling
1597 - new STM branch in the svn repository
1598 - the usual bugfixes and enhancements
1602 - hierarchical class names
1605 - understands simple vector ops, strings
1606 - demonstrates use of Unicode in Parrot
1607 - pgc, a compiler for rules and operator precedence parsers
1608 - Major redesign and improvements for PGE
1609 - compilers understand named parameter options
1610 - :ratchet option implemented to support non-backtracking quantifiers
1611 - TGE (tree grammar engine) for tree transformations
1612 - tgc, tree grammar compiler
1614 - support for many operators, lexical scalars, regex matches
1615 - new pheme (Parrot scheme) compiler
1619 - namespaces partially implemented
1620 - rulec, Perl 6 rule compiler
1621 - PGE improvements including return values for closure
1622 - parts of a Perl 6 parser based on PGE
1623 - complex trigonometric methods
1624 - type of Sub PMC is now overridable by HLL
1626 - many bug fixes and improvements
1630 - improved PPC and x86 JIT support including JIT compilation
1631 of very simple PASM/PIR subroutines
1632 - preliminary libreadline support
1633 - better trace and debug features
1635 - META.yml to support proper indexing on CPAN
1636 - new opcode: hcf (in "my_ops" in dynamic op library)
1637 - new File pmc for file specific ops (is_dir, is_file, copy, rename...)
1638 - named arguments and parameters (both :named("") and => syntaxes)
1639 - ongoing config improvements
1640 - tons of bug fixes and other small improvements - too much to list all
1644 - Installation: 'make install' is using standard locations now
1645 (/usr/local is the default --prefix)
1646 - Produce static and shared libraries on some systems
1647 - Configure system rearragement
1648 - OS pmc started (mkdir,cd,cwd,rm,umask,stat)
1650 - Test files are now testable with 'prove'
1651 - Smoke (and smokej) outputs progress
1652 - PIR supports: I = A < B (>,<=,>=,==,!=)
1653 - Add support for octal number constants
1655 - almost finish [string]; start [file]
1656 - add build tool for generating inline'd tcl builtins from templates.
1657 - Jako updates: NCI, subroutines, global variables and constants all work.
1662 - New lexical handling and closure support including better
1663 introspection for caller and outer
1664 - PGE (Parrot Grammar Engine) provides now compilers for P6Rule,
1665 P6Grammar, P5Regexp, and Glob
1666 - ca. 1000 new tests including 800 for Perl5 regexp
1667 - Improved unicode charset and encoding support
1668 - Calling conventions for exception handlers
1669 - Punie (Perl 1) uses TGE (Tree Grammar Engine) to convert from
1670 PGE match objects to AST via two steps of tree transformation grammars
1671 - New languages: amber and lua
1672 - The usual code fixes, cleanup, and improvements, including an overhaul
1673 of the config and test framework
1677 - Variable sized register frames are finished. Each subroutine gets
1678 the amount of registers that it actually needs. No more spilling.
1679 - Vastly improved PGE (Parrot Grammar Engine) including shift-reduce,
1680 precedence-based expression parser and support for matching of
1681 bracketed text delimited by e.g. ()[]{}'"
1682 - uniccode character classification (is_upper ...)
1683 - support for heredoc syntax in assembler
1684 - improved examples, basic JSON support
1685 - debian packaging support
1686 - the usual improvements, bug fixes, and cleanup
1687 - test count exceeds 3000
1691 - New calling conventions implemented: see PDD03 for details
1692 - Merge multiple Parrot bytecode (PBC) files into a singe PBC file
1693 - 'make smoke' target going beta
1694 - bc now supports if statements, comparison ops, prefix inc/dec
1695 - ParTcl adds [lassign], [switch] (partially); [expr] converted to a compiler
1696 - Many exciting doc updates, tests, and bugfixes, too numerous to mention
1700 - Dynamic classes now compile on Windows (including ParTcl)
1701 - New Super PMC allows easy access to superclass methods
1702 - Implement C3 method resolution order (just like Perl 6 & Python)
1703 - ParTcl has new PIR-based parser and passes more Tcl tests
1704 - added character class support in Globs to PGE
1705 - added language implementations of unlambda, Lazy-k
1706 - many bugfixes, including GC and memory leaks
1707 - the new calling scheme continued to evolve in branches/leo-ctx5
1711 - new call scheme: docs/pdds/pdd03_calling_conventions.pod
1712 - partial implementation of the new calling conventions
1713 PASM only, don't mix PIR foo() call syntax with the new scheme
1714 - grammar and rule support in PGE - the Parrot Grammar Engine
1715 - TCL passes >10% of the tcl test suite
1716 - the usual bugfixes and improvements
1720 - better HLL support (short names for object attributes, and
1721 .HLL and n_operators pragmas)
1722 - string encoding and charset can now be set independently
1723 - experimental mmap IO layer for slurping files
1724 - distinct debug and trace flag settings
1725 - glob support in PGE
1726 - new character classification opcodes and interfaces
1730 - parrot repository is now under subversion
1731 - MMD (Multi Method Dispatch) enhanced
1732 - new unary and infix opcodes that return new result PMCs
1733 - dynamic scalar PMCs inherit now almost all from Parrot core PMCs
1734 - more unification of PMCs and ParrotObjects
1735 - tailcalls for functions and methods
1736 - PGE (Parrot Grammar Engine) reworked
1737 - Pugs creates Parrot code and Pugs is a registered compiler now
1738 - new languages/lisp
1739 - the usual bug fixes and improvements
1743 - New string handling code. Strings now have charset and encoding
1744 - Parts of a generation garbage collector
1745 - Better Python code, separated in dynclasses
1746 - Parrot Grammar Engine
1747 - Improved test coverage and documentation
1751 Parrot 0.1.1 is an intermediate release with tons of updates and fixes.
1752 - Python support: Parrot runs 4/7 of the pie-thon test suite
1753 - Better OS support: more platforms, compiler, OS functions
1754 - Improved PIR syntax for method calls and <op>= assignment
1755 - Dynamic loading reworked including a "make install" target
1756 - MMD - multi method dispatch for binary vtable methods
1757 - Library improvement and cleanup
1758 - BigInt, Complex, *Array, Slice, Enumerate, None PMC classes
1759 - IA64 and hppa JIT support
1760 - Tons of fixes, improvements, new tests, and documentation updates.
1761 A lot is unfinished and keeps changing. Nethertheless Parrot is stable
1762 and usable at the surface, while internals are moving.
1765 - "Ladies and gentlemen, I give you... objects!"
1766 - Huge documentation overhaul
1767 - More supported platforms, s. PLATFORMS
1768 - Basic thread support for pthread based architectures
1769 - Basic event handling for timers and signals including:
1770 - PASM callbacks for NCI (native C) functions.
1771 - Improved platform configuration
1772 - COW stacks now working, stacks code redone
1773 - Structure handling vastly improved
1774 - Random PMC and rand primitives
1775 - Better subroutine call syntax in PIR
1776 - Make PIR subroutines compliant with pdd03
1777 - Improved profiling (DOD, GC timings)
1778 - Hash code improvements, incl. random key order support
1779 - Experimental freeze/thaw code for some PMC types
1780 - IO improvements for buffered layer and Win32
1782 - String bitwise vtables
1784 - Support for JIT, where malloced memory isn't executable
1785 - Priority DOD scheme for objects that need timely destruction
1786 - Improved byte code loading (e.g. onLoad functions)
1787 - Language updates: forth, Perl 6/P6C, m4
1788 - Libraries: Getopt_Long, SDL, Dumper, Sort
1790 - Unified imcc and parrot test handling
1791 - Many new tests (make test reports 1386 tests)
1792 - Numerous bug fixes
1795 - The Big Move: Parrot source and build files rearranged into sub dirs
1796 - Build imcc as parrot
1797 - Objects more finished
1798 - Delegate vtable methods to byte code
1799 - Binary multi-method dispatching
1800 - Isa and does methods for PMCs
1801 - Call byte code from C
1802 - Start of extension interface
1803 - Experimental struct handling
1804 - Catch access to NULL PMCs
1805 - Experimental network socket interface code and opcodes
1806 - IO fixes and improvements
1807 - Dynamic opcode libraries
1808 - Fix-assigned opcode numbers
1809 - Argument flattening for function calls
1810 - More native call interface (NCI) signatures
1811 - Ncurses, postgres, and pcre interface libraries
1812 - Forth language is vastly improved
1813 - BSD and Win32 build improvements
1814 - Many new tests and fixes
1817 - This number intentionally left blank
1821 - Dynamic PMC registration
1822 - Trial exception system
1823 - Beginnings of object system
1826 - I/O system improvements
1828 - Documentation for basic PMC types
1829 - IMCC support of Parrot Calling Conventions
1830 - Runtime loading of chartypes (and other string improvements)
1831 - Conditional breakpoints
1832 - Dramatically accelerated sweeps for finalizable objects
1833 - Small PMCs (PMCs split into core and extensions)
1834 - Loadable bytecode packfiles
1836 - Sub variants that deal with the stack correctly
1837 - Switched runops core
1838 - Line numbers in warnings
1839 - Environment access
1840 - Many documentation cleanups
1841 - Conversion to CPS style!
1842 - BASIC debugger and many other wacky features
1843 - Filename, line number parsing support in IMCC
1848 - some more benchmarking
1850 - optimized math ops
1851 - intersegment branches
1852 - more complete use of PObjs
1853 - beefed up packfiles
1854 - sub/continuation/coroutine fixes
1855 - better NCI (native calling interface)
1856 - many imcc improvements
1861 - Native function calling interface (Dan)
1862 - Stack/list aggregate rewrite (Leo)
1863 - Scratchpads (Jonathan Sillito)
1864 - Preliminary DotGNU support -- type conversion ops (Gopal V + Leo)
1865 - Buffer/PMC unification (Leo)
1866 - stabs debugging support for JIT (Leo)
1867 - Jako overhaul (Gregor)
1868 - Optional Lea allocator (Leo)
1869 - Parrot sprintf (Brent)
1871 - PMC Properties (Dan)
1872 - Various JIT improvements (D. Grunblatt + Leo)
1873 - Extensible packfiles (Juergen)
1874 - Restructured PMC hierarchy (Leo)
1875 - Real Scheme (Juergen)
1879 - Several new grammars and a BNF -> perl5 and perl6 converter (Jeff)
1880 - Working Perl 6 REs (Sean)
1881 - Keyed Access (Tom Hughes et al)
1882 - New PMCs (Alberto et al)
1883 - Better Documentation
1885 - GC acceleration (Mike Lambert)
1886 - Lexical scope (Jonathan Sillito)
1892 - Perl 6 Grammar and Compiler (Sean)
1893 - Subroutines, coroutines, and continuations (Melvin)
1894 - GC improvements (Peter Gibbs, Mike Lambert)
1895 - Global variables (Melvin)
1896 - Intermediate bytecode compiler (Melvin, Angel)
1897 - And much, much more.
1901 - New assembler that support keyed types (Jeff)
1902 - New macro layer, allowing constants (Jeff)
1903 - New Configure.pl (Brent)
1904 - Changes to bytecode format, endian issues resolved (Melvin)
1905 - GC improvements and bug fixes (Peter Gibbs, Mike Lambert)
1906 - JIT compiler rewrite (Jason and Daniel)
1907 - Parrot assembler in Parrot (Daniel)
1908 - Parrot debugger (Daniel)
1909 - BASIC polished, Eliza.bas is new (Clint)
1910 - Cola compiler committed and working, with limited OOP (Melvin)
1911 - Keyed aggregates (Steve Fink)
1912 - Global ops (Melvin)
1913 - Compile-time speedup (Melvin)
1914 - Much documentation
1916 - Contributed tetris and lzw files
1917 - And many more, from the cast of thousands
1922 - Perl Scalar support in PMCs
1923 - Array and Hash types almost ready for prime-time
1924 - Internal support for keyed types
1925 - EMACS editing mode
1927 - New Language - BASIC
1928 - Regular expression compiler
1930 - Many, many bug fixes, enhancements, and speedups
1934 - Arena-based memory allocation system
1937 - "Predereferencing" mode - ./parrot -P - 22% speedup
1938 - JIT compiler - ./parrot -j
1939 - Parrot now builds warnings-clean on many platforms
1940 - Many more PMC methods implemented
1941 - Regular expression operations
1943 - Basic support for embedding Parrot in other programs
1945 - Added PDDs to distribution
1949 - Added an assembly optimizer
1950 - Improved string encoding/type support
1952 - Source reformatting
1953 - Major refactoring in packfile library
1954 - More Miniperl functionality
1955 - New PMC "clone" operator
1956 - Beginnings of key-based access to PMCs - arrays and hashes
1957 - MOPS comparisons in examples/mops/
1962 - Perl base scalar types implemented
1963 - A new minilanguage, Scheme
1964 - Much improved documentation
1965 - Register stacks pushing and popping
1966 - User stack pushing, popping and rotating
1967 - Jako updates: subroutines, more example programs, optimizations
1968 - test_prog renamed to 'parrot'
1970 - Added features to the assembler: @ for current location, and global
1972 - Build tweaks for VMS
1973 - Bytecode typing clean-ups
1974 - More platforms: OS X, HPUX, OS/2
1975 - The proliferation of runops cores reduced to one fast and one slow one
1976 - Opcode tracing, bounds checking, profiling
1977 - Vastly improved string support, with separation of encoding and
1980 - Multiple interpreter creation support - the beginnings of threading
1981 - Much better resource handling - the beginnings of GC
1985 - Parrot now works on all core platforms
1986 - A large number of tests, in the standard Perl testing framework
1987 - A new minilanguage (Jako) which compiles to Parrot assembly
1988 - Documentation about the assembly language (docs/parrot_assembly.pod)
1990 - Separate modules for assembly (Parrot::Assemble) and bytecode
1991 manipulation (Parrot::PackFile::*, packfile.c)
1992 - Assembler completely rewritten
1993 - Better operand-type guessing in the assembler
1994 - Assembler support for '\n' etc. in string constants
1995 - Code reformatted to match the coding standards
1996 - New ops for register-constant INTEGER comparisons
1997 - Macro expansion in the assembler
1998 - IVs and NVs renamed to more friendly INTVAL and NUMVAL
1999 - Hard-coded pack("") formats removed
2000 - Better handling of floating-point numbers in assembler
2001 - Moved floats to constant table (fixing many alignment issues)